Nanotechnology Now

Our NanoNews Digest Sponsors





Heifer International

Wikipedia Affiliate Button


android tablet pc

Home > Press > Discovery cuts cost of next generation optical fibres

Electron microscope image of the hollow-core fibre
Electron microscope image of the hollow-core fibre

Abstract:
Scientists have discovered a way of speeding up the production of hollow-core optical fibres - a new generation of optical fibres that could lead to faster and more powerful computing and telecommunications technologies.

Discovery cuts cost of next generation optical fibres

Bath, UK | Posted on January 17th, 2008

The procedure, described today in the journal Optics Express, cuts the production time of hollow-core optical fibres from around a week to a single day, reducing the overall cost of fabrication.

Initial tests show that the fibre is also superior in virtually every respect to previous versions of the technology, making it an important step in the development of new technologies that use light instead of electrical circuits to carry information.

These technologies include faster optical telecommunications, more powerful and accurate laser machining, and the cheaper generation of x-ray or ultra-violet light for use in biomedical and surgical optics.

"This is a major improvement in the development of hollow-core fibre technology," said Professor Jonathan Knight from the Centre for Photonics & Photonic Materials in the Department of Physics at the University of Bath.

"In standard optical fibres, light travels in a small cylindrical core of glass running down the fibre length.

"The fact that light has to travel through glass limits them in many ways. For example, the glass can be damaged if there is too much light.

"Also, the glass causes short pulses of light to spread out in a blurring effect that makes them less well defined. This limits its usefulness in telecommunications and other applications.

"Hence, fibres in which light travels in air down a hollow core hold great promise for a next generation of optical fibres with performance enhanced in many ways."

The problem in developing hollow-core fibres is that only a special sort of optical fibre can guide light down an air hole. They use a two-dimensional pattern of tiny holes in the glass around the core to trap the light within the core itself.

The highly detailed nature of these fibres means that they have been difficult to fabricate and they can only work for a limited range of wavelengths.

However, the new procedure developed by the Bath photonics group shows how a tiny change to these fibres - narrowing the wall of glass around the large central hole by just a hundred nanometres (a 10 millionth of a metre) - broadens the range of wavelengths which can be transmitted.

They achieved this by omitting some of the most difficult steps in the fabrication procedure, reducing the time required to make the fibres from around a week to a single day.

The improved fibre was developed as part of a European Commission-funded Framework 6 project ‘NextGenPCF' for applications in gas sensing.

However, the superior performance of the fibre means that it could have a significant impact in a range of fields such as laser design and pulsed beam delivery, spectroscopy, biomedical and surgical optics, laser machining, the automotive industry and space science.

"The consequences of being able to use light rather than electrical circuits to carry information will be fundamental," said Professor Knight.

"It will make optical fibres many times more powerful and brings the day when information technology will consist of optical devices rather than less efficient electronic circuits much closer.

"For biomedical research, we can use these fibres to deliver light for diagnosis or surgery anywhere - even deep inside the body.

"Almost any device where light is important or can be used, photonic crystal fibres can make more efficient, sensitive and powerful."

‘Control of surface modes in low loss hollow-core photonic bandgap fibers', Optics Express, Vol. 16, Issue 2, pp. 1142-1149.

####

About University of Bath
The University of Bath is one of the UK's leading universities, with an international reputation for quality research and teaching. In 15 subject areas the University of Bath is rated in the top ten in the country.

For more information, please click here

Contacts:
Andrew McLaughlin
University Press Office
+44 (0)1225 386 883
+44 (0)7966 341 357

Copyright © University of Bath

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Iran to Hold 3rd Int'l Engineering Materials, Metallurgy Conference October 25th, 2014

Haydale Secures Exclusive Development and Supply Agreement with Tantec A/S: New reactors to be built and commissioned by Tantec A/S represent another step forward towards the commercialisation of graphene October 24th, 2014

QuantumWise guides the semiconductor industry towards the atomic scale October 24th, 2014

SUNY Polytechnic Institute Invites the Public to Attend its Popular Statewide 'NANOvember' Series of Outreach and Educational Events October 23rd, 2014

Discoveries

QuantumWise guides the semiconductor industry towards the atomic scale October 24th, 2014

Iranian, Malaysian Scientists Study Nanophotocatalysts for Water Purification October 23rd, 2014

Nanoparticle technology triples the production of biogas October 23rd, 2014

Strengthening thin-film bonds with ultrafast data collection October 23rd, 2014

Announcements

Iran to Hold 3rd Int'l Engineering Materials, Metallurgy Conference October 25th, 2014

Haydale Secures Exclusive Development and Supply Agreement with Tantec A/S: New reactors to be built and commissioned by Tantec A/S represent another step forward towards the commercialisation of graphene October 24th, 2014

QuantumWise guides the semiconductor industry towards the atomic scale October 24th, 2014

Strengthening thin-film bonds with ultrafast data collection October 23rd, 2014

Automotive/Transportation

Production of Anticorrosive Chromate Nanocoatings in Iran September 27th, 2014

Teijin Aramid’s carbon nanotube fibers awarded with Paul Schlack prize: New generation super fibers bring wave of innovations to fiber market September 25th, 2014

Next-Gen Luxury RV From Global Caravan Technologies Will Offer MagicView Roof and Windshield Using SPD-SmartGlass Technology From Research Frontiers: Recreational Vehicle Manufacturer Global Caravan Technologies (GCT) Features 28 Square Feet of MagicView™ SPD-SmartGlass September 17th, 2014

Toward making lithium-sulfur batteries a commercial reality for a bigger energy punch September 17th, 2014

Aerospace/Space

Novel Rocket Design Flight Tested: New Rocket Propellant and Motor Design Offers High Performance and Safety October 23rd, 2014

Removal of Limitations of Composites at Superheat Temperatures October 20th, 2014

1980s aircraft helps quantum technology take flight October 20th, 2014

Electrically conductive plastics promising for batteries, solar cells October 10th, 2014

Photonics/Optics/Lasers

Physicists build reversible laser tractor beam October 20th, 2014

Magnetic mirrors enable new technologies by reflecting light in uncanny ways October 16th, 2014

New VDMA Association "Electronics, Micro and Nano Technologies" founded: Inaugural Meeting in Frankfurt/Main, Germany October 15th, 2014

Nanodevices for clinical diagnostic with potential for the international market: The development is based on optical principles and provides precision and allows saving vital time for the patient October 15th, 2014

NanoNews-Digest
The latest news from around the world, FREE





  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More














ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







© Copyright 1999-2014 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE